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Wadi Thamil, Marsa Alam, Eastern Desert, Red Sea, Egypti
Regional Level Types
Wadi Thamil- not defined -
Marsa Alam- not defined -
Eastern DesertDesert
Red SeaGovernorate
EgyptCountry

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Key
Lock Map
Latitude & Longitude (WGS84): 25° 26' North , 30° 32' East
Latitude & Longitude (decimal): 25.43333,30.53333
GeoHash:G#: sst8wvcxy
Köppen climate type:BWh : Hot deserts climate
Nearest Settlements:
PlacePopulationDistance
Al Khārijah67,700 (2017)2.4km


Talc deposit, derived from ultramafic rocks.

Regions containing this locality

African PlateTectonic Plate
Sahara Desert, North AfricaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


7 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: El-Sharkawy, M.F. (2000): Mineralium Deposita 35, 346-363.
Albite
Formula: Na(AlSi3O8)
Reference: El-Sharkawy, M.F. (2000): Mineralium Deposita 35, 346-363.
'Chlorite Group'
Reference: El-Sharkawy, M.F. (2000): Mineralium Deposita 35, 346-363.
Chromite
Formula: Fe2+Cr3+2O4
Reference: El-Sharkawy, M.F. (2000): Mineralium Deposita 35, 346-363.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: El-Sharkawy, M.F. (2000): Mineralium Deposita 35, 346-363.
Talc
Formula: Mg3Si4O10(OH)2
Reference: El-Sharkawy, M.F. (2000): Mineralium Deposita 35, 346-363.
Titanite
Formula: CaTi(SiO4)O
Reference: El-Sharkawy, M.F. (2000): Mineralium Deposita 35, 346-363.
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Reference: El-Sharkawy, M.F. (2000): Mineralium Deposita 35, 346-363.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Albite9.FA.35Na(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Talc9.EC.05Mg3Si4O10(OH)2
Titanite9.AG.15CaTi(SiO4)O
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-

List of minerals arranged by Dana 8th Edition classification

Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Chlorite Group'-

List of minerals for each chemical element

HHydrogen
H TalcMg3Si4O10(OH)2
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
OOxygen
O TalcMg3Si4O10(OH)2
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
O ChromiteFe2+Cr23+O4
O TitaniteCaTi(SiO4)O
O MuscoviteKAl2(AlSi3O10)(OH)2
O AlbiteNa(AlSi3O8)
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg TalcMg3Si4O10(OH)2
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
AlAluminium
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al AlbiteNa(AlSi3O8)
SiSilicon
Si TalcMg3Si4O10(OH)2
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Si TitaniteCaTi(SiO4)O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si AlbiteNa(AlSi3O8)
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti TitaniteCaTi(SiO4)O
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe ChromiteFe2+Cr23+O4

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Cretaceous - Carboniferous
66 - 358.9 Ma



ID: 3187312
Paleozoic-Mesozoic sedimentary rocks

Age: Phanerozoic (66 - 358.9 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Cretaceous - Carboniferous
66 - 358.9 Ma



ID: 3307175

Age: Phanerozoic (66 - 358.9 Ma)

Lithology: Continental sedimentary

Reference: Thiéblemont, D. (ed.). New edition of the 1:10,000,000 geological map of Africa. CGMW-BRGM. [190]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
El-Sharkawy, M.F. (2000) Talc mineralization of ultramafic affinity in the Eastern Desert of Egypt. Mineralium Deposita, 35, 346-363.

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